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Home >> Acura >> 1988 >> Integra SE, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - PGM-FI >> Operation >> Idle Speed Control System >> Idle Up Control
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Idle Up Control

At extremely low ambient temperatures, Integra models use an ECU controlled solenoid, in conjunction with a diaphragm-type fast idle valve, to by-pass additional air into intake manifold. Coolant temperature of less than 14°F (-10°C) and engine speed of less than 1800 RPM are used to determine control of idle-up solenoid.

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